Lectotypification of names of three species of Poa (Poaceae) and their morphological affinities

Phytotaxa ◽  
2021 ◽  
Vol 525 (2) ◽  
pp. 147-155
Author(s):  
RUMA BHADRA ◽  
P. V. PRASANNA ◽  
SAIKAT NASKAR
Keyword(s):  
Morphological Features ◽  
Plant Parts ◽  
Voucher Specimens ◽  
High Degree

Poa aitchisonii, P. falconeri and P. wardiana are lectotypified with nomenclatural notes. In absence of proper icons with analysis, worked out plant parts of two species from voucher specimens are provided as photoplates. Due to high degree of variability and in absence of concrete morphological features to distinguish species, morphological affinities of the three species with that of other close species are provided.

A review of Cryphocricos Signoret, 1850 (Naucoridae: Cryphocricinae) with descriptions of three new species

Zootaxa ◽  
2021 ◽  
Vol 4958 (1) ◽  
pp. 72-94
Author(s):  
ROBERT W. SITES
Keyword(s):  
New Species ◽  
Molecular Phylogeny ◽  
Intraspecific Variation ◽  
New World ◽  
Morphological Features ◽  
Type Specimens ◽  
Three New Species ◽  
Aquatic Bugs ◽  
High Degree

The genus Cryphocricos Signoret, 1850 was recently determined in a molecular phylogeny to be distantly related to other taxa of the subfamily Cryphocricinae to the extent that it is now once again the sole member of the subfamily. This exclusively New World group of aquatic bugs lives in fast and usually turbulent current and respires by means of a plastron. Efforts to identify morphological features to distinguish among the species have largely fallen short, and some species have been established based on features that exhibit a high degree of intraspecific variation overlapping those of other species. Presented here is a review of the 13 described species with discussions of their features and photos of type specimens, and three new species from Venezuela and Colombia are described. Also presented is a diagnostic attribute unique to the enigmatic Cryphocricos barozzii Signoret, 1850. 

scholarly journals Rediscovery of Dendropsophus tintinnabulum (Anura: Hylidae) in the upper Rio Negro Drainage (Amazonas, Brazil), with a description of its advertisement call and external morphology

2016 ◽  
Vol 15 (2) ◽  
pp. 119 ◽  
Author(s):  
Bernardo Franco da Veiga Teixeira ◽  
Ariovaldo Antonio Giaretta
Keyword(s):  
Body Shape ◽  
Field Work ◽  
Morphological Features ◽  
External Morphology ◽  
Advertisement Call ◽  
Color Body ◽  
Rio Negro ◽  
Voucher Specimens ◽  
Genomic Results ◽  
Amazonas State

Dendropsophus tintinnabulum is one of six species of the genus unassigned to any group. Voucher specimens and recordings of this taxon obtained during field work in the municipality of São Gabriel da Cachoeira and elsewhere in the district of Cucuí in Amazonas state, Brazil, permit a description of the advertisement call and external morphological features. Based on overall similarities in size, dorsal color, body shape, advertisement call, and preliminary genomic results, D. tintinnabulum is tentatively assigned to the D. microcephalus Group

scholarly journals First Findings Of Subterranean Gametophytes Of The Genus Diphasiastrum In Lithuania

2015 ◽  
Vol 21 (2) ◽  
pp. 133-135 ◽  
Author(s):  
Radvilė Rimgailė-Voicik ◽  
Jonas Remigijus Naujalis
Keyword(s):  
Morphological Features ◽  
Voucher Specimens ◽  
Vilnius University ◽  
First Time

AbstractGametophytes of the genus Diphasiastrum sp. were recorded for the first time in Lithuania. The occurrence rates, morphological features were described, illustrated and discussed. Voucher specimens are deposited at Vilnius University Herbarium (WI).

scholarly journals ASTERACEAE: A TAXONOMICALLY AND MEDICINALLY IMPORTANT SUNFLOWER FAMILY

2021 ◽  
pp. 1-17
Keyword(s):  
Species Diversity ◽  
Drug Development ◽  
Seasonal Variations ◽  
Herbal Drug ◽  
Plant Parts ◽  
Wedelia Trilobata ◽  
The Family ◽  
Voucher Specimens ◽  
First Time

The Purpose of the research: The study aimed to document the Asteraceae species in the study area. The study also examined the species diversity and medicinally important plants. Data, Materials, and Methodology: The work is based on fresh materials collected during thirty-six field visits to Paba Upazila of Rajshahi district, Bangladesh was carried out from November 2018 to October 2019 to cover the seasonal variations. Plant parts with either flower or fruits collected using traditional herbarium techniques to make voucher specimens for documentation. The results: The result shows in all, 44 species under 35 genera of the family Asteraceae were reported, out of which 40 (90.90%) were used medicinal applications for the treatment of more than 59 diseases. Major findings: The findings of the study that 25% of species were very common, 43.18% were common, 25% species were rare and 6.82% species were very rare in the study area. Mikania cordata (Burm.f.) Robinson is the only climbing species. Blumea laciniata (Roxb.) DC. and Wedelia trilobata (L.) Hitchc. has been reported for the first time in Paba Upazila of Rajshahi. The present study will help in identifying the major Asteraceae species for further investigation and also beneficial to develop the herbal drug development.

scholarly journals Diversity of Angiosperm Taxa in Chaar Khidirpur Area of Rajshahi, Bangladesh

2021 ◽  
Vol 2 (3) ◽  
pp. 51-66
Author(s):  
Anjuman Ara ◽  
Laila Al Faria ◽  
A.H.M. Mahbubur Rahman
Keyword(s):  
Species Diversity ◽  
Medicinal Plants ◽  
Seasonal Variations ◽  
Conservation Management ◽  
Sustainable Utilization ◽  
Plant Parts ◽  
The Status ◽  
Voucher Specimens ◽  
First Time

Purpose: The aims to investigate the angiosperm taxa in the study area. The present research also documented the species diversity and important medicinal plants.  Subjects and Methods: Angiosperm flora in the Chaar Khidirpur area of Rajshahi, Bangladesh was carried out from November 2018 to October 2019 to cover the seasonal variations. Plant parts with either flower or fruits collected using traditional herbarium techniques to make voucher specimens for documentation.  Results: The result focused that a total of 210 species belonging to177 genera under 71 families were recorded. Forty-five (45) medicinal plants were used for the treatment of more than 61 diseases. Conclusion: The present study was the first time to report angiosperm diversity and medicinal plants in the study area. In this research, the status of occurrence has been recorded for proper conservation management and sustainable utilization of the taxa resulting in 81.33% being common, 16.74% as rare and 1.91% are found as threatened in the study area.

scholarly journals INDICATORI PER LAVALUTAZIONE DELLA POTENZIALITÀ TURISTICO-RICETTIVA DI EDIFICI RURALI TRADIZIONALI

2008 ◽  
Vol 39 (4) ◽  
pp. 43 ◽  
Author(s):  
Giovanni Cascone ◽  
Simona M.C. Porto
Keyword(s):  
Morphological Features ◽  
Second Phase ◽  
Rural Buildings ◽  
Homogeneous Area ◽  
Multicriteria Model ◽  
Two Indices ◽  
Two Phases ◽  
Almost All ◽  
High Degree ◽  
Potential Use

To assess tourist potential use of traditional rural buildings two indices are determined. Indicator n. 1 regards the degree of adaptability of the tourist use to the territorial context; indicator n. 2 regards the degree of adaptability of the tourist use to the morphological features of the buildings. The method which aims to assess the above-mentioned indices is divided into two phases. The first phase regards the knowledge of the traditional rural buildings. Survey cards A and B allow to get information needed for the assessment of the factors which influence the two indices. The second phase provides the application of a multicriteria model which allows the assessment of the two indices. The method has been applied to six traditional rural buildings sited in a homogeneous area in south eastern Sicily. The results show that although the degree of adaptability of the tourist use to the territorial context is high for almost all the considered buildings (indicator n. 1), only two buildings have a high degree of adaptability of the tourist use to the morphological features (indicator n. 2).

Study of clinical and morphological features of postoperative nasal septum perforations

2021 ◽  
Vol 20 (3) ◽  
pp. 64-69
Author(s):  
I. I. Morozov ◽  
◽  
N. S. Grachev ◽  
Keyword(s):  
Nasal Septum ◽  
Clinical Manifestations ◽  
Morphological Features ◽  
Tissue Elasticity ◽  
Cytological Picture ◽  
Group 3 ◽  
Group 2 ◽  
High Degree ◽  
Choice Of Technique ◽  
Group 1

The literature provides many ways to close perforations of the nasal septum (NS), there is no differential approach to the choice of technique depending on the etiological factor. Objective: to study the clinical and morphological features of tissues at the edges of postoperative nasal septum perforations (PNSP) to substantiate the choice of the optimal surgical technique. Materials and methods. 52 patients are divided into 3 groups in accordance with the area (S) of PNSP: 1st S < 1 cm2 (10%); 2nd S 1–2 cm2 (75%), 3rd S > 2 cm2 (15%). In group 2, the subgroups are: 2A – PNSP without curvature of the NS (CNS) (52%); 2B – PNSP with CNS (48%). The state of the mucous membrane (MM) and supporting tissues at the edges of the PNSP, the results of a cytological study from the edges of the PNSP, and specific complaints of the patients were evaluated. Results: In group 1 and 2 at the edges of the PNSP, there was a significant decrease in tissue elasticity compared with group 3, indicating a deficit in supporting tissues (p < 0.05). The ratio of the area of the defect of supporting tissues and PNSP in group 1 was 1 to 3.5, in group 2 – 1 to 1.5, in group 3 – 1 to 1.1. A high degree of elasticity of the posterior edge of PNSP is accompanied by pronounced clinical manifestations, regardless of the size of PNSP, and is confirmed by the cytological picture of inflammation (p <0.01). The presence of CNS enhances the clinical manifestations of PNSPI (p < 0.05). Conclusion: the structure of the edges of PNSP forms the clinical picture of the disease. When choosing a closure method for PNSP, the surgeon must solve the following problems: the size of the NS defect required for replacement is determined not so much by the dimensions of the PNSP as the area of the defect in the supporting tissues of the NS; with a deficit of local tissues, it is advisable to additionally use grafts; MM in the area of the posterior and lower edges has pronounced signs of inflammation, these tissues should be removed during the operation.

Morphological analysis of phylogenetic relationships among extant rhynchonellide brachiopods

2013 ◽  
Vol 87 (4) ◽  
pp. 550-569 ◽  
Author(s):  
Holly A. Schreiber ◽  
Maria Aleksandra Bitner ◽  
Sandra J. Carlson
Keyword(s):  
Phylogenetic Relationships ◽  
Morphological Analysis ◽  
Morphological Characters ◽  
Morphological Features ◽  
Bayesian Analyses ◽  
Current Classification ◽  
False Sense ◽  
Molecular Phylogenetic ◽  
Phylogenetic Hypotheses ◽  
High Degree

Rhynchonellida is the stratigraphically oldest and phylogenetically most basal of the extant rhynchonelliform brachiopod orders, yet phylogenetic relationships among rhynchonellides are poorly known. The fourteen named rhynchonellide superfamilies (four of which have extant representatives) were defined primarily on the basis of features of the dorsal cardinalia, particularly crural morphology, but their homology and polarity have not been investigated rigorously. Superfamily monophyly is unclear, as is the evolution of several distinctive rhynchonellide morphological features, such as crura.The purpose of this study is to investigate the phylogenetic relationships among extant rhynchonellide genera using skeletal characters, and to compare the results with the current classification, elucidating the evolution of morphological features in the process. We completed parsimony-based and Bayesian analyses using fifty-eight characters of the interior and exterior of the shell that vary among the nineteen extant genera. Our results are readily interpretable with respect to the classification, and indicate that Hemithiridoidea, Dimerelloidea, and (in some analyses) Pugnacoidea appear to be monophyletic. Species classified in Dimerelloidea and Pugnacoidea, and in certain cases Hemithiridoidea, each form derived subclades that evolve from within a paraphyletic Norelloidea at the base of each subclade. Raduliform crura appear to be the most basal, phylogenetically; five other crural morphologies evolve from the raduliform state. However, morphological characters currently uniting genera in rhynchonellide superfamilies are not clearly diagnostic and exhibit a relatively high degree of homoplasy overall, suggesting that consistency with the classification may be based on a false sense of confidence in rhynchonellide morphology to clearly elucidate evolutionary relationships. Published molecular phylogenetic hypotheses conflict with the morphological topologies, further supporting this possibility.The evolutionary trends among diagnostic characters of Recent rhynchonellides appear to reflect successive juvenilization in adult morphology in several subclades, suggesting that heterochrony may have played an important role in the evolution of the group.

scholarly journals Morphological features of the mucous membrane of the colon of patients with early and late ulcerative colitis debut

2019 ◽  
Vol 26 (1) ◽  
pp. 12-17
Author(s):  
A. Dorofeeva
Keyword(s):  
Mucous Membrane ◽  
Large Intestine ◽  
Early Onset ◽  
Sharp Decrease ◽  
Left Ventricular ◽  
Morphological Features ◽  
Quantitative Composition ◽  
Post Traumatic ◽  
Post Traumatic Disorder ◽  
High Degree

The purpose of the research was to determine the morphological features of the mucous membrane of the large intestine of patients with UC depending on the age of patients. A comparative analysis of the incidence and type of UC of patients with early onset and late debut of the disease was performed. It has been stated that for patients with a debilitating post-traumatic disorder, the left ventricular and total forms are characteristic; in patients with late debut, the distal form of UC predominates. The main trends in the activity of UC in patients with early onset and late debut have been determined. In the analysis of the degree of activity of UC revealed that in patients from 50 years of age and older, with the late debut of the disease, the first one is mostly found to be the least degree of activity, the second – the middle and the third – the high degree, they are found to be less likely. In turn, in patients under 50, the second and third stages of the disease are most often noted. Another component of the main characteristics of the UC was the histological changes of the mucous membrane of the large intestine. Thus, the conducted studies allowed to state that the number of PAS-positive substances in mucus is significantly higher in patients with distal and left-sided UC. In patients with UC there is a marked mucosal intestinal mucosa of qualitative and quantitative composition of mucus. These changes were characterized by a decrease in MUC2 as the disease progressed, as well as levels of MUC4 and TFF3. In patients with early onset of NSC, there is a more intense reduction in the number of mucins and TFF3 already with a minimal activity of UC associated with low levels of mucin from the intracellular mucus and indicates a more aggressive course of it. At the same time, patients with a late debut revealed a sharp decrease in the number of MUC2 and TFF3 with high activity of UC.

Simultaneous occurrence of ionization ledge and counterelectrojet in the equatorial ionosphere: observational evidence and its implications

1989 ◽  
Vol 67 (2-3) ◽  
pp. 166-172 ◽  
Author(s):  
P. Sharma ◽  
R. Raghavarao
Keyword(s):  
Equatorial Ionosphere ◽  
Observational Evidence ◽  
Morphological Features ◽  
Simultaneous Occurrence ◽  
Low Latitude ◽  
Close Coupling ◽  
Maximum Period ◽  
E Region ◽  
Dynamical Coupling ◽  
High Degree

In this paper we present observational evidence for the simultaneous occurrence of an ionization ledge in the topside and a counterelectrojet in the E-region altitudes of the equatorial ionosphere. The following morphological features of the ionization ledge are found to be the same as those of the counterelectrojet phenomenon: namely, occurrence on a sequence of days in succession, preferential occurrence during a solar minimum period as compared with a solar maximum period, occurrence in a limited longitudinal belt, and lunar control of the occurrence as revealed by our data.There is also a high degree of correlation on both magnetically quiet and magnetically disturbed days between the ionization ledge and the counterelectrojet. Our study brings out a close coupling in the occurrence and morphological features of the two low-latitude phenomena, even though they are widely separated in altitude. The implications of such a correlation, with special reference to the understanding of the dynamical coupling of the E and F regions in the equatorial ionosphere, are briefly discussed.We also report a hitherto unreported feature of the ionization anomaly, viz., its occurrence on certain days in a narrow (~30°) longitude belt. The observational evidence presented in this paper may lead to new insights into the understanding of the interrelationships between the three phenomena, the ionization ledge, the ionization anomaly, and the counterelectrojet, in the equatorial ionosphere.

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